Key, telegraph

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Ingenium, 1978.0490.001
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OBJECT TYPE: DOUBLE SPEED/DOUBLE LEVERS
DATE: 1939–1950
ARTIFACT NUMBER: 1978.0490.001

MANUFACTURER: HANSON, MELVIN E.
MODEL: MELEHAN VALIANT
LOCATION: Huntington Beach, California, United States of America

More Information

General Information

Serial #: DL-6 403
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CAST STEEL BASE, MECHANISM & FITTINGS. ALL NICKEL PLATED/ EBONITE OPERATING HANDLE & RESTS/ RUBBER WASHERS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 21.0 cm
Width: 12.0 cm
Height: 8.4 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telegraphy
Sub-Category: N/A

Manufacturer

AKA: HANSON
Country: United States of America
State/Province: California
City: Huntington Beach

Context

Country: Unknown
State/Province: Unknown
Period: 1939-1950
Canada: Unknown
Function: A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES.
Technical: THE DESIGN CHANGE PROVIDED DOUBLE THE SPEED OF SINGLE SIDE LEVER KEYS
Area Notes: Unknown

Details

Markings: ON MANUFACTURER'S PLATE: 'THE MELEHAN/ VALIANT/ MELVIN E. HANSON/ HUNTINGTON BEACH, CALIF./ PAT. PEND SER. DL-6 403'. INCISED MARKINGS.
Missing: From CA of 09/19/1996 by Kevin Machan: Undetermined
Finish: NICKEL PLATED COMPONENTS
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

HANSON, MELVIN E., Key, telegraph, between 1939–1950, Artifact no. 1978.0490, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1978.0490.001/

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